1) basic unit of matter a) atom b) nucleus c) proton 2) consists of protons and neutrons a) atom b) nucleus c) electron 3) has a negative charge (-) a) nucleus b) proton c) electron 4) has a positive charge (+) a) nucleus b) proton c) atom 5) Everything around us is made of a) matter b) air c) space 6) has a neutral charge (no charge) a) neutron b) proton c) electron

Science Ch2 , Atom

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